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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 45, 2015 - Issue 12
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Original Articles

Green and Efficient Methods for One-Pot Aerobic Oxidative Synthesis of Benzimidazoles from Alcohols with TEMPO-PEG4000-NHC-Cu(II) Complex in Water

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Pages 1476-1483 | Received 16 Aug 2014, Published online: 05 May 2015
 

Abstract

In this article, an amphiphilic catalyst TEMPO-PEG4000-NHC-Cu(II) [2,2,6,6-tetramethylpiperidine-1-oxyl/polyethylene glycol/N-heterocyclic carbene] complex was synthesized and used as a highly efficient catalyst for one-pot aerobic oxidative synthesis of benzimidazoles from alcohols. The reactions were applicable in water with good yields in the presence of catalyst (5 mol%). Moreover, the catalyst was easily recovered from the reaction mixture and reused with almost consistent activity.

GRAPHICAL ABSTRACT

SUPPORTING INFORMATION

Full experimental details, 1H NMR, elemental analysis, and melting point for this article can be accessed on the publisher’s website.

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